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# This file is part of Korman.
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#
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# Korman is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Korman is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Korman. If not, see <http://www.gnu.org/licenses/>.
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import bpy
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import itertools
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import math
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import mathutils
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from PyHSPlasma import *
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import weakref
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from . import utils
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class AnimationConverter:
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def __init__(self, exporter):
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self._exporter = weakref.ref(exporter)
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self._bl_fps = bpy.context.scene.render.fps
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def _convert_frame_time(self, frame_num):
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return frame_num / self._bl_fps
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def convert_object_animations(self, bo, so):
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if not self.is_animated(bo):
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return
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def fetch_animation_data(id_data):
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if id_data is not None:
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if id_data.animation_data is not None:
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action = id_data.animation_data.action
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return action, getattr(action, "fcurves", None)
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return None, None
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# TODO: At some point, we should consider supporting NLA stuff.
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# But for now, this seems sufficient.
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obj_action, obj_fcurves = fetch_animation_data(bo)
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data_action, data_fcurves = fetch_animation_data(bo.data)
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# We're basically just going to throw all the FCurves at the controller converter (read: wall)
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# and see what sticks. PlasmaMAX has some nice animation channel stuff that allows for some
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# form of separation, but Blender's NLA editor is way confusing and appears to not work with
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# things that aren't the typical position, rotation, scale animations.
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applicators = []
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applicators.append(self._convert_transform_animation(bo.name, obj_fcurves, bo.matrix_basis))
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if bo.plasma_modifiers.soundemit.enabled:
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applicators.extend(self._convert_sound_volume_animation(bo.name, obj_fcurves, bo.plasma_modifiers.soundemit))
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if isinstance(bo.data, bpy.types.Lamp):
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lamp = bo.data
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applicators.extend(self._convert_lamp_color_animation(bo.name, data_fcurves, lamp))
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# Check to make sure we have some valid animation applicators before proceeding.
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if not any(applicators):
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return
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# There is a race condition in the client with animation loading. It expects for modifiers
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# to be listed on the SceneObject in a specific order. D'OH! So, always use these funcs.
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agmod, agmaster = self.get_anigraph_objects(bo, so)
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atcanim = self._mgr.find_create_object(plATCAnim, so=so)
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# Add the animation data to the ATC
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for i in applicators:
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if i is not None:
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atcanim.addApplicator(i)
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agmod.channelName = bo.name
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agmaster.addPrivateAnim(atcanim.key)
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# This was previously part of the Animation Modifier, however, there can be lots of animations
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# Therefore we move it here.
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def get_ranges(*args, **kwargs):
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index = kwargs.get("index", 0)
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for i in args:
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if i is not None:
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yield i.frame_range[index]
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atcanim.name = "(Entire Animation)"
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atcanim.start = self._convert_frame_time(min(get_ranges(obj_action, data_action, index=0)))
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atcanim.end = self._convert_frame_time(max(get_ranges(obj_action, data_action, index=1)))
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# Marker points
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if obj_action is not None:
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for marker in obj_action.pose_markers:
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atcanim.setMarker(marker.name, self._convert_frame_time(marker.frame))
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# Fixme? Not sure if we really need to expose this...
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atcanim.easeInMin = 1.0
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atcanim.easeInMax = 1.0
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atcanim.easeInLength = 1.0
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atcanim.easeOutMin = 1.0
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atcanim.easeOutMax = 1.0
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atcanim.easeOutLength = 1.0
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def _convert_lamp_color_animation(self, name, fcurves, lamp):
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if not fcurves:
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return None
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energy_curve = next((i for i in fcurves if i.data_path == "energy" and i.keyframe_points), None)
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color_curves = sorted((i for i in fcurves if i.data_path == "color" and i.keyframe_points), key=lambda x: x.array_index)
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if energy_curve is None and color_curves is None:
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return None
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elif lamp.use_only_shadow:
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self._exporter().report.warn("Cannot animate Lamp color because this lamp only casts shadows", indent=3)
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return None
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elif not lamp.use_specular and not lamp.use_diffuse:
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self._exporter().report.warn("Cannot animate Lamp color because neither Diffuse nor Specular are enabled", indent=3)
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return None
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# OK Specular is easy. We just toss out the color as a point3.
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color_keyframes, color_bez = self._process_keyframes(color_curves, convert=lambda x: x * -1.0 if lamp.use_negative else None)
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if color_keyframes and lamp.use_specular:
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channel = plPointControllerChannel()
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channel.controller = self._make_point3_controller(color_curves, color_keyframes, color_bez, lamp.color)
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applicator = plLightSpecularApplicator()
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applicator.channelName = name
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applicator.channel = channel
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yield applicator
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# Hey, look, it's a third way to process FCurves. YAY!
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def convert_diffuse_animation(color, energy):
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if lamp.use_negative:
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return { key: (0.0 - value) * energy[0] for key, value in color.items() }
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else:
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return { key: value * energy[0] for key, value in color.items() }
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diffuse_defaults = { "color": lamp.color, "energy": lamp.energy }
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diffuse_fcurves = color_curves + [energy_curve,]
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diffuse_keyframes = self._process_fcurves(diffuse_fcurves, convert_diffuse_animation, diffuse_defaults)
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if not diffuse_keyframes:
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return None
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# Whew.
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channel = plPointControllerChannel()
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channel.controller = self._make_point3_controller([], diffuse_keyframes, False, [])
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applicator = plLightDiffuseApplicator()
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applicator.channelName = name
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applicator.channel = channel
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yield applicator
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def _convert_sound_volume_animation(self, name, fcurves, soundemit):
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if not fcurves:
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return None
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def convert_volume(value):
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if value == 0.0:
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return 0.0
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else:
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return math.log10(value) * 20.0
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for sound in soundemit.sounds:
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path = "{}.volume".format(sound.path_from_id())
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fcurve = next((i for i in fcurves if i.data_path == path and i.keyframe_points), None)
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if fcurve is None:
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continue
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for i in soundemit.get_sound_indices(sound=sound):
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applicator = plSoundVolumeApplicator()
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applicator.channelName = name
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applicator.index = i
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# libHSPlasma assumes a channel is not shared among applicators...
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# so yes, we must convert the same animation data again and again.
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channel = plScalarControllerChannel()
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channel.controller = self.make_scalar_leaf_controller(fcurve, convert=convert_volume)
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applicator.channel = channel
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yield applicator
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def _convert_transform_animation(self, name, fcurves, xform):
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if not fcurves:
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return None
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pos = self.make_pos_controller(fcurves, xform)
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rot = self.make_rot_controller(fcurves, xform)
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scale = self.make_scale_controller(fcurves, xform)
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if pos is None and rot is None and scale is None:
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return None
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tm = plCompoundController()
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tm.X = pos
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tm.Y = rot
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tm.Z = scale
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applicator = plMatrixChannelApplicator()
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applicator.enabled = True
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applicator.channelName = name
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channel = plMatrixControllerChannel()
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channel.controller = tm
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applicator.channel = channel
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# Decompose the matrix into the 90s-era 3ds max affine parts sillyness
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# All that's missing now is something like "(c) 1998 HeadSpin" oh wait...
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affine = hsAffineParts()
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affine.T = hsVector3(*xform.to_translation())
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affine.K = hsVector3(*xform.to_scale())
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affine.F = -1.0 if xform.determinant() < 0.0 else 1.0
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rot = xform.to_quaternion()
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affine.Q = utils.quaternion(rot)
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rot.normalize()
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affine.U = utils.quaternion(rot)
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channel.affine = affine
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return applicator
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def get_anigraph_keys(self, bo=None, so=None):
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mod = self._mgr.find_create_key(plAGModifier, so=so, bl=bo)
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master = self._mgr.find_create_key(plAGMasterMod, so=so, bl=bo)
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return mod, master
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def get_anigraph_objects(self, bo=None, so=None):
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mod = self._mgr.find_create_object(plAGModifier, so=so, bl=bo)
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master = self._mgr.find_create_object(plAGMasterMod, so=so, bl=bo)
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return mod, master
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def is_animated(self, bo):
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if bo.animation_data is not None:
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if bo.animation_data.action is not None:
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return True
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data = getattr(bo, "data", None)
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if data is not None:
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if data.animation_data is not None:
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if data.animation_data.action is not None:
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return True
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return False
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def make_matrix44_controller(self, pos_fcurves, scale_fcurves, default_pos, default_scale):
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pos_keyframes, pos_bez = self._process_keyframes(pos_fcurves)
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scale_keyframes, scale_bez = self._process_keyframes(scale_fcurves)
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if not pos_keyframes and not scale_keyframes:
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return None
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# Matrix keyframes cannot do bezier schtuff
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if pos_bez or scale_bez:
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self._exporter().report.warn("Matrix44 controllers cannot use bezier keyframes--forcing linear", indent=3)
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# Let's pair up the pos and scale schtuff based on frame numbers. I realize that we're creating
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# a lot of temporary objects, but until I see profiling results that this is terrible, I prefer
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# to have code that makes sense.
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keyframes = []
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for pos, scale in itertools.zip_longest(pos_keyframes, scale_keyframes, fillvalue=None):
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if pos is None:
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keyframes.append((None, scale))
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elif scale is None:
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keyframes.append((pos, scale))
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elif pos.frame_num == scale.frame_num:
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keyframes.append((pos, scale))
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elif pos.frame_num < scale.frame_num:
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keyframes.append((pos, None))
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keyframes.append((None, scale))
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elif pos.frame_num > scale.frame_num:
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keyframes.append((None, scale))
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keyframes.append((pos, None))
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# Now we make the controller
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ctrl = self._make_matrix44_controller(pos_fcurves, scale_fcurves, keyframes, default_pos, default_scale)
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return ctrl
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def make_pos_controller(self, fcurves, default_xform, convert=None):
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pos_curves = [i for i in fcurves if i.data_path == "location" and i.keyframe_points]
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keyframes, bez_chans = self._process_keyframes(pos_curves, convert)
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if not keyframes:
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return None
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# At one point, I had some... insanity here to try to crush bezier channels and hand off to
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# blah blah blah... As it turns out, point3 keyframe's tangents are vector3s :)
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ctrl = self._make_point3_controller(pos_curves, keyframes, bez_chans, default_xform.to_translation())
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return ctrl
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def make_rot_controller(self, fcurves, default_xform, convert=None):
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# TODO: support rotation_quaternion
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rot_curves = [i for i in fcurves if i.data_path == "rotation_euler" and i.keyframe_points]
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keyframes, bez_chans = self._process_keyframes(rot_curves, convert=None)
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if not keyframes:
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return None
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# Ugh. Unfortunately, it appears Blender's default interpolation is bezier. So who knows if
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# many users will actually see the benefit here? Makes me sad.
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if bez_chans:
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ctrl = self._make_scalar_compound_controller(rot_curves, keyframes, bez_chans, default_xform.to_euler())
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else:
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ctrl = self._make_quat_controller(rot_curves, keyframes, default_xform.to_euler())
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return ctrl
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def make_scale_controller(self, fcurves, default_xform, convert=None):
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scale_curves = [i for i in fcurves if i.data_path == "scale" and i.keyframe_points]
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keyframes, bez_chans = self._process_keyframes(scale_curves, convert)
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if not keyframes:
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return None
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# There is no such thing as a compound scale controller... in Plasma, anyway.
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ctrl = self._make_scale_value_controller(scale_curves, keyframes, bez_chans, default_xform)
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return ctrl
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def make_scalar_leaf_controller(self, fcurve, convert=None):
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keyframes, bezier = self._process_fcurve(fcurve, convert)
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if not keyframes:
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return None
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ctrl = self._make_scalar_leaf_controller(keyframes, bezier)
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return ctrl
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def _make_matrix44_controller(self, pos_fcurves, scale_fcurves, keyframes, default_pos, default_scale):
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ctrl = plLeafController()
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keyframe_type = hsKeyFrame.kMatrix44KeyFrame
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exported_frames = []
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pcurves = { i.array_index: i for i in pos_fcurves }
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scurves = { i.array_index: i for i in scale_fcurves }
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def eval_fcurve(fcurves, keyframe, i, default_xform):
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try:
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return fcurves[i].evaluate(keyframe.frame_num_blender)
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except KeyError:
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return default_xform[i]
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for pos_key, scale_key in keyframes:
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valid_key = pos_key if pos_key is not None else scale_key
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exported = hsMatrix44Key()
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exported.frame = valid_key.frame_num
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exported.frameTime = valid_key.frame_time
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exported.type = keyframe_type
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if pos_key is not None:
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pos_value = [pos_key.values[i] if i in pos_key.values else eval_fcurve(pcurves, pos_key, i, default_pos) for i in range(3)]
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else:
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pos_value = [eval_fcurve(pcurves, valid_key, i, default_pos) for i in range(3)]
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if scale_key is not None:
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scale_value = [scale_key.values[i] if i in scale_key.values else eval_fcurve(scurves, scale_key, i, default_scale) for i in range(3)]
|
|
|
|
else:
|
|
|
|
scale_value = [eval_fcurve(scurves, valid_key, i, default_scale) for i in range(3)]
|
|
|
|
pos_value = hsVector3(*pos_value)
|
|
|
|
scale_value = hsVector3(*scale_value)
|
|
|
|
|
|
|
|
value = hsMatrix44()
|
|
|
|
value.setTranslate(pos_value)
|
|
|
|
value.setScale(scale_value)
|
|
|
|
exported.value = value
|
|
|
|
exported_frames.append(exported)
|
|
|
|
ctrl.keys = (exported_frames, keyframe_type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _make_point3_controller(self, fcurves, keyframes, bezier, default_xform):
|
|
|
|
ctrl = plLeafController()
|
|
|
|
subctrls = ("X", "Y", "Z")
|
|
|
|
keyframe_type = hsKeyFrame.kBezPoint3KeyFrame if bezier else hsKeyFrame.kPoint3KeyFrame
|
|
|
|
exported_frames = []
|
|
|
|
ctrl_fcurves = { i.array_index: i for i in fcurves }
|
|
|
|
|
|
|
|
for keyframe in keyframes:
|
|
|
|
exported = hsPoint3Key()
|
|
|
|
exported.frame = keyframe.frame_num
|
|
|
|
exported.frameTime = keyframe.frame_time
|
|
|
|
exported.type = keyframe_type
|
|
|
|
|
|
|
|
in_tan = hsVector3()
|
|
|
|
out_tan = hsVector3()
|
|
|
|
value = hsVector3()
|
|
|
|
for i, subctrl in enumerate(subctrls):
|
|
|
|
fval = keyframe.values.get(i, None)
|
|
|
|
if fval is not None:
|
|
|
|
setattr(value, subctrl, fval)
|
|
|
|
setattr(in_tan, subctrl, keyframe.in_tans[i])
|
|
|
|
setattr(out_tan, subctrl, keyframe.out_tans[i])
|
|
|
|
else:
|
|
|
|
try:
|
|
|
|
setattr(value, subctrl, ctrl_fcurves[i].evaluate(keyframe.frame_num_blender))
|
|
|
|
except KeyError:
|
|
|
|
setattr(value, subctrl, default_xform[i])
|
|
|
|
setattr(in_tan, subctrl, 0.0)
|
|
|
|
setattr(out_tan, subctrl, 0.0)
|
|
|
|
exported.inTan = in_tan
|
|
|
|
exported.outTan = out_tan
|
|
|
|
exported.value = value
|
|
|
|
exported_frames.append(exported)
|
|
|
|
ctrl.keys = (exported_frames, keyframe_type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _make_quat_controller(self, fcurves, keyframes, default_xform):
|
|
|
|
ctrl = plLeafController()
|
|
|
|
keyframe_type = hsKeyFrame.kQuatKeyFrame
|
|
|
|
exported_frames = []
|
|
|
|
ctrl_fcurves = { i.array_index: i for i in fcurves }
|
|
|
|
|
|
|
|
for keyframe in keyframes:
|
|
|
|
exported = hsQuatKey()
|
|
|
|
exported.frame = keyframe.frame_num
|
|
|
|
exported.frameTime = keyframe.frame_time
|
|
|
|
exported.type = keyframe_type
|
|
|
|
# NOTE: quat keyframes don't do bezier nonsense
|
|
|
|
|
|
|
|
value = mathutils.Euler()
|
|
|
|
for i in range(3):
|
|
|
|
fval = keyframe.values.get(i, None)
|
|
|
|
if fval is not None:
|
|
|
|
value[i] = fval
|
|
|
|
else:
|
|
|
|
try:
|
|
|
|
value[i] = ctrl_fcurves[i].evaluate(keyframe.frame_num_blender)
|
|
|
|
except KeyError:
|
|
|
|
value[i] = default_xform[i]
|
|
|
|
quat = value.to_quaternion()
|
|
|
|
exported.value = utils.quaternion(quat)
|
|
|
|
exported_frames.append(exported)
|
|
|
|
ctrl.keys = (exported_frames, keyframe_type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _make_scalar_compound_controller(self, fcurves, keyframes, bez_chans, default_xform):
|
|
|
|
ctrl = plCompoundController()
|
|
|
|
subctrls = ("X", "Y", "Z")
|
|
|
|
for i in subctrls:
|
|
|
|
setattr(ctrl, i, plLeafController())
|
|
|
|
exported_frames = ([], [], [])
|
|
|
|
ctrl_fcurves = { i.array_index: i for i in fcurves }
|
|
|
|
|
|
|
|
for keyframe in keyframes:
|
|
|
|
for i, subctrl in enumerate(subctrls):
|
|
|
|
fval = keyframe.values.get(i, None)
|
|
|
|
if fval is not None:
|
|
|
|
keyframe_type = hsKeyFrame.kBezScalarKeyFrame if i in bez_chans else hsKeyFrame.kScalarKeyFrame
|
|
|
|
exported = hsScalarKey()
|
|
|
|
exported.frame = keyframe.frame_num
|
|
|
|
exported.frameTime = keyframe.frame_time
|
|
|
|
exported.inTan = keyframe.in_tans[i]
|
|
|
|
exported.outTan = keyframe.out_tans[i]
|
|
|
|
exported.type = keyframe_type
|
|
|
|
exported.value = fval
|
|
|
|
exported_frames[i].append(exported)
|
|
|
|
for i, subctrl in enumerate(subctrls):
|
|
|
|
my_keyframes = exported_frames[i]
|
|
|
|
|
|
|
|
# ensure this controller has at least ONE keyframe
|
|
|
|
if not my_keyframes:
|
|
|
|
hack_frame = hsScalarKey()
|
|
|
|
hack_frame.frame = 0
|
|
|
|
hack_frame.frameTime = 0.0
|
|
|
|
hack_frame.type = hsKeyFrame.kScalarKeyFrame
|
|
|
|
hack_frame.value = default_xform[i]
|
|
|
|
my_keyframes.append(hack_frame)
|
|
|
|
getattr(ctrl, subctrl).keys = (my_keyframes, my_keyframes[0].type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _make_scalar_leaf_controller(self, keyframes, bezier):
|
|
|
|
ctrl = plLeafController()
|
|
|
|
keyframe_type = hsKeyFrame.kBezScalarKeyFrame if bezier else hsKeyFrame.kScalarKeyFrame
|
|
|
|
exported_frames = []
|
|
|
|
|
|
|
|
for keyframe in keyframes:
|
|
|
|
exported = hsScalarKey()
|
|
|
|
exported.frame = keyframe.frame_num
|
|
|
|
exported.frameTime = keyframe.frame_time
|
|
|
|
exported.inTan = keyframe.in_tan
|
|
|
|
exported.outTan = keyframe.out_tan
|
|
|
|
exported.type = keyframe_type
|
|
|
|
exported.value = keyframe.value
|
|
|
|
exported_frames.append(exported)
|
|
|
|
ctrl.keys = (exported_frames, keyframe_type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _make_scale_value_controller(self, fcurves, keyframes, bez_chans, default_xform):
|
|
|
|
subctrls = ("X", "Y", "Z")
|
|
|
|
keyframe_type = hsKeyFrame.kBezScaleKeyFrame if bez_chans else hsKeyFrame.kScaleKeyFrame
|
|
|
|
exported_frames = []
|
|
|
|
ctrl_fcurves = { i.array_index: i for i in fcurves }
|
|
|
|
|
|
|
|
default_scale = default_xform.to_scale()
|
|
|
|
unit_quat = default_xform.to_quaternion()
|
|
|
|
unit_quat.normalize()
|
|
|
|
unit_quat = utils.quaternion(unit_quat)
|
|
|
|
|
|
|
|
for keyframe in keyframes:
|
|
|
|
exported = hsScaleKey()
|
|
|
|
exported.frame = keyframe.frame_num
|
|
|
|
exported.frameTime = keyframe.frame_time
|
|
|
|
exported.type = keyframe_type
|
|
|
|
|
|
|
|
in_tan = hsVector3()
|
|
|
|
out_tan = hsVector3()
|
|
|
|
value = hsVector3()
|
|
|
|
for i, subctrl in enumerate(subctrls):
|
|
|
|
fval = keyframe.values.get(i, None)
|
|
|
|
if fval is not None:
|
|
|
|
setattr(value, subctrl, fval)
|
|
|
|
setattr(in_tan, subctrl, keyframe.in_tans[i])
|
|
|
|
setattr(out_tan, subctrl, keyframe.out_tans[i])
|
|
|
|
else:
|
|
|
|
try:
|
|
|
|
setattr(value, subctrl, ctrl_fcurves[i].evaluate(keyframe.frame_num_blender))
|
|
|
|
except KeyError:
|
|
|
|
setattr(value, subctrl, default_scale[i])
|
|
|
|
setattr(in_tan, subctrl, 0.0)
|
|
|
|
setattr(out_tan, subctrl, 0.0)
|
|
|
|
exported.inTan = in_tan
|
|
|
|
exported.outTan = out_tan
|
|
|
|
exported.value = (value, unit_quat)
|
|
|
|
exported_frames.append(exported)
|
|
|
|
|
|
|
|
ctrl = plLeafController()
|
|
|
|
ctrl.keys = (exported_frames, keyframe_type)
|
|
|
|
return ctrl
|
|
|
|
|
|
|
|
def _process_fcurve(self, fcurve, convert=None):
|
|
|
|
"""Like _process_keyframes, but for one fcurve"""
|
|
|
|
keyframe_data = type("KeyFrameData", (), {})
|
|
|
|
fps = self._bl_fps
|
|
|
|
pi = math.pi
|
|
|
|
|
|
|
|
keyframes = {}
|
|
|
|
bezier = False
|
|
|
|
fcurve.update()
|
|
|
|
for fkey in fcurve.keyframe_points:
|
|
|
|
keyframe = keyframe_data()
|
|
|
|
frame_num, value = fkey.co
|
|
|
|
if fps == 30.0:
|
|
|
|
keyframe.frame_num = int(frame_num)
|
|
|
|
else:
|
|
|
|
keyframe.frame_num = int(frame_num * (30.0 / fps))
|
|
|
|
keyframe.frame_time = frame_num / fps
|
|
|
|
if fkey.interpolation == "BEZIER":
|
|
|
|
keyframe.in_tan = -(value - fkey.handle_left[1]) / (frame_num - fkey.handle_left[0]) / fps / (2 * pi)
|
|
|
|
keyframe.out_tan = (value - fkey.handle_right[1]) / (frame_num - fkey.handle_right[0]) / fps / (2 * pi)
|
|
|
|
bezier = True
|
|
|
|
else:
|
|
|
|
keyframe.in_tan = 0.0
|
|
|
|
keyframe.out_tan = 0.0
|
|
|
|
keyframe.value = value if convert is None else convert(value)
|
|
|
|
keyframes[frame_num] = keyframe
|
|
|
|
final_keyframes = [keyframes[i] for i in sorted(keyframes)]
|
|
|
|
return (final_keyframes, bezier)
|
|
|
|
|
|
|
|
def _process_fcurves(self, fcurves, convert, defaults=None):
|
|
|
|
"""Processes FCurves of different data sets and converts them into a single list of keyframes.
|
|
|
|
This should be used when multiple Blender fields map to a single Plasma option."""
|
|
|
|
class KeyFrameData:
|
|
|
|
def __init__(self):
|
|
|
|
self.values = {}
|
|
|
|
fps = self._bl_fps
|
|
|
|
pi = math.pi
|
|
|
|
|
|
|
|
# It is assumed therefore that any multichannel FCurves will have all channels represented.
|
|
|
|
# This seems fairly safe with my experiments with Lamp colors...
|
|
|
|
grouped_fcurves = {}
|
|
|
|
for fcurve in fcurves:
|
|
|
|
if fcurve is None:
|
|
|
|
continue
|
|
|
|
fcurve.update()
|
|
|
|
if fcurve.data_path in grouped_fcurves:
|
|
|
|
grouped_fcurves[fcurve.data_path][fcurve.array_index] = fcurve
|
|
|
|
else:
|
|
|
|
grouped_fcurves[fcurve.data_path] = { fcurve.array_index: fcurve }
|
|
|
|
|
|
|
|
# Default values for channels that are not animated
|
|
|
|
for key, value in defaults.items():
|
|
|
|
if key not in grouped_fcurves:
|
|
|
|
if hasattr(value, "__len__"):
|
|
|
|
grouped_fcurves[key] = value
|
|
|
|
else:
|
|
|
|
grouped_fcurves[key] = [value,]
|
|
|
|
|
|
|
|
# Assemble a dict { PlasmaFrameNum: { FCurveDataPath: KeyFrame } }
|
|
|
|
keyframe_points = {}
|
|
|
|
for fcurve in fcurves:
|
|
|
|
if fcurve is None:
|
|
|
|
continue
|
|
|
|
for keyframe in fcurve.keyframe_points:
|
|
|
|
frame_num_blender, value = keyframe.co
|
|
|
|
frame_num = int(frame_num_blender * (30.0 / fps))
|
|
|
|
|
|
|
|
# This is a temporary keyframe, so we're not going to worry about converting everything
|
|
|
|
# Only the frame number to Plasma so we can go ahead and merge any rounded dupes
|
|
|
|
entry, data = keyframe_points.get(frame_num), None
|
|
|
|
if entry is None:
|
|
|
|
entry = {}
|
|
|
|
keyframe_points[frame_num] = entry
|
|
|
|
else:
|
|
|
|
data = entry.get(fcurve.data_path)
|
|
|
|
if data is None:
|
|
|
|
data = KeyFrameData()
|
|
|
|
data.frame_num = frame_num
|
|
|
|
data.frame_num_blender = frame_num_blender
|
|
|
|
entry[fcurve.data_path] = data
|
|
|
|
data.values[fcurve.array_index] = value
|
|
|
|
|
|
|
|
# Now, we loop through our assembled keyframes and interpolate any missing data using the FCurves
|
|
|
|
fcurve_chans = { key: len(value) for key, value in grouped_fcurves.items() }
|
|
|
|
expected_values = sum(fcurve_chans.values())
|
|
|
|
all_chans = frozenset(grouped_fcurves.keys())
|
|
|
|
|
|
|
|
# We will also do the final convert here as well...
|
|
|
|
final_keyframes = []
|
|
|
|
|
|
|
|
for frame_num in sorted(keyframe_points.copy().keys()):
|
|
|
|
keyframes = keyframe_points[frame_num]
|
|
|
|
frame_num_blender = next(iter(keyframes.values())).frame_num_blender
|
|
|
|
|
|
|
|
# If any data_paths are missing, init a dummy
|
|
|
|
missing_channels = all_chans - frozenset(keyframes.keys())
|
|
|
|
for chan in missing_channels:
|
|
|
|
dummy = KeyFrameData()
|
|
|
|
dummy.frame_num = frame_num
|
|
|
|
dummy.frame_num_blender = frame_num_blender
|
|
|
|
keyframes[chan] = dummy
|
|
|
|
|
|
|
|
# Ensure all values are filled out.
|
|
|
|
num_values = sum(map(len, (i.values for i in keyframes.values())))
|
|
|
|
if num_values != expected_values:
|
|
|
|
for chan, sorted_fcurves in grouped_fcurves.items():
|
|
|
|
chan_keyframes = keyframes[chan]
|
|
|
|
chan_values = fcurve_chans[chan]
|
|
|
|
if len(chan_keyframes.values) == chan_values:
|
|
|
|
continue
|
|
|
|
for i in range(chan_values):
|
|
|
|
if i not in chan_keyframes.values:
|
|
|
|
fcurve = grouped_fcurves[chan][i]
|
|
|
|
if isinstance(fcurve, bpy.types.FCurve):
|
|
|
|
chan_keyframes.values[i] = fcurve.evaluate(chan_keyframes.frame_num_blender)
|
|
|
|
else:
|
|
|
|
# it's actually a default value!
|
|
|
|
chan_keyframes.values[i] = fcurve
|
|
|
|
|
|
|
|
# All values are calculated! Now we convert the disparate key data into a single keyframe.
|
|
|
|
kwargs = { data_path: keyframe.values for data_path, keyframe in keyframes.items() }
|
|
|
|
final_keyframe = KeyFrameData()
|
|
|
|
final_keyframe.frame_num = frame_num
|
|
|
|
final_keyframe.frame_num_blender = frame_num_blender
|
|
|
|
final_keyframe.frame_time = frame_num / fps
|
|
|
|
value = convert(**kwargs)
|
|
|
|
if hasattr(value, "__len__"):
|
|
|
|
final_keyframe.in_tans = [0.0] * len(value)
|
|
|
|
final_keyframe.out_tans = [0.0] * len(value)
|
|
|
|
final_keyframe.values = value
|
|
|
|
else:
|
|
|
|
final_keyframe.in_tan = 0.0
|
|
|
|
final_keyframe.out_tan = 0.0
|
|
|
|
final_keyframe.value = value
|
|
|
|
final_keyframes.append(final_keyframe)
|
|
|
|
return final_keyframes
|
|
|
|
|
|
|
|
|
|
|
|
def _process_keyframes(self, fcurves, convert=None):
|
|
|
|
"""Groups all FCurves for the same frame together"""
|
|
|
|
keyframe_data = type("KeyFrameData", (), {})
|
|
|
|
fps = self._bl_fps
|
|
|
|
pi = math.pi
|
|
|
|
|
|
|
|
keyframes = {}
|
|
|
|
bez_chans = set()
|
|
|
|
for fcurve in fcurves:
|
|
|
|
fcurve.update()
|
|
|
|
for fkey in fcurve.keyframe_points:
|
|
|
|
frame_num, value = fkey.co
|
|
|
|
keyframe = keyframes.get(frame_num, None)
|
|
|
|
if keyframe is None:
|
|
|
|
keyframe = keyframe_data()
|
|
|
|
if fps == 30.0:
|
|
|
|
# hope you don't have a frame 29.9 and frame 30.0...
|
|
|
|
keyframe.frame_num = int(frame_num)
|
|
|
|
else:
|
|
|
|
keyframe.frame_num = int(frame_num * (30.0 / fps))
|
|
|
|
keyframe.frame_num_blender = frame_num
|
|
|
|
keyframe.frame_time = frame_num / fps
|
|
|
|
keyframe.in_tans = {}
|
|
|
|
keyframe.out_tans = {}
|
|
|
|
keyframe.values = {}
|
|
|
|
keyframes[frame_num] = keyframe
|
|
|
|
idx = fcurve.array_index
|
|
|
|
keyframe.values[idx] = value if convert is None else convert(value)
|
|
|
|
|
|
|
|
# Calculate the bezier interpolation nonsense
|
|
|
|
if fkey.interpolation == "BEZIER":
|
|
|
|
keyframe.in_tans[idx] = -(value - fkey.handle_left[1]) / (frame_num - fkey.handle_left[0]) / fps / (2 * pi)
|
|
|
|
keyframe.out_tans[idx] = (value - fkey.handle_right[1]) / (frame_num - fkey.handle_right[0]) / fps / (2 * pi)
|
|
|
|
bez_chans.add(idx)
|
|
|
|
else:
|
|
|
|
keyframe.in_tans[idx] = 0.0
|
|
|
|
keyframe.out_tans[idx] = 0.0
|
|
|
|
|
|
|
|
# Return the keyframes in a sequence sorted by frame number
|
|
|
|
final_keyframes = [keyframes[i] for i in sorted(keyframes)]
|
|
|
|
return (final_keyframes, bez_chans)
|
|
|
|
|
|
|
|
@property
|
|
|
|
def _mgr(self):
|
|
|
|
return self._exporter().mgr
|